package gui;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

public class ComboExample2 {
  Display d;

  Shell s;

  ComboExample2() {
    d = new Display();
    s = new Shell(d);
    s.setSize(250, 250);
    
    s.setText("A Combo Example");
    final Combo c1 = new Combo(s, SWT.READ_ONLY);
    c1.setBounds(50, 50, 150, 65);
    final Combo c2 = new Combo(s, SWT.READ_ONLY);
    c2.setBounds(50, 85, 150, 65);
    c2.setEnabled(false);
    String items[] = { "Item One", "Item Two", "Item Three", "Item Four",
        "Item Five" };
    c1.setItems(items);
    c1.addSelectionListener(new SelectionAdapter() {
      public void widgetSelected(SelectionEvent e) {
        if (c1.getText().equals("Item One")) {
          String newItems[] = { "Item One A", "Item One B",
              "Item One C" };
          c2.setItems(newItems);
          c2.setEnabled(true);
        } else if (c1.getText().equals("Item Two")) {
          String newItems[] = { "Item Two A", "Item Two B",
              "Item Two C" };
          c2.setItems(newItems);
          c2.setEnabled(true);
        } else {
          c2.add("Not Applicable");
          c2.setText("Not Applicable");
        }

      }
    });
    s.open();
    while (!s.isDisposed()) {
      if (!d.readAndDispatch())
        d.sleep();
    }
    d.dispose();
  }

  public static void main(String[] argv) {
    new ComboExample2();
  }

}

